/*
 * @Description: function
 * @Author: rendc
 * @Date: 2022-09-26 11:28:01
 * @LastEditors: rendc
 * @LastEditTime: 2022-09-26 11:42:57
 */
function add (a, b) {
  return a + b;
}
console.log(add(2, 3));

function myAdd (a, b = 9) {
  console.log('🤡 CC - myAdd - b', b);
  console.log('🤡 CC - myAdd - a', a);
  console.log(a + b);
}

myAdd(3, 2)
myAdd(3)
